feat: 순환 참조 방지를 위한 Event 객체 추가

circular-reference/src/main/java/io/github/hyeonic/circularreference/event/MemberSaveAfterEvent.java

@@ -0,0 +1,26 @@
+package io.github.hyeonic.circularreference.event;
+
+import io.github.hyeonic.circularreference.category.Category;
+import io.github.hyeonic.circularreference.category.CategoryService;
+import io.github.hyeonic.circularreference.member.Member;
+import io.github.hyeonic.circularreference.subscription.SubscriptionService;
+import javax.transaction.Transactional;
+import org.springframework.stereotype.Component;
+
+@Component
+public class MemberSaveAfterEvent {
+
+    private final CategoryService categoryService;
+    private final SubscriptionService subscriptionService;
+
+    public MemberSaveAfterEvent(final CategoryService categoryService, final SubscriptionService subscriptionService) {
+        this.categoryService = categoryService;
+        this.subscriptionService = subscriptionService;
+    }
+
+    @Transactional
+    public void process(final String name, final Member member) {
+        Category newCategory = categoryService.save(member.getId(), name);
+        subscriptionService.save(member.getId(), newCategory.getId());
+    }
+}

circular-reference/src/main/java/io/github/hyeonic/circularreference/member/MemberService.java

@@ -1,8 +1,6 @@
 package io.github.hyeonic.circularreference.member;
 
-import io.github.hyeonic.circularreference.category.Category;
-import io.github.hyeonic.circularreference.category.CategoryService;
-import io.github.hyeonic.circularreference.subscription.SubscriptionService;
+import io.github.hyeonic.circularreference.event.MemberSaveAfterEvent;
 import java.util.NoSuchElementException;
 import javax.transaction.Transactional;
 import org.springframework.stereotype.Service;
@@ -12,23 +10,17 @@ public class MemberService {
 
     private static final String MY_SCHEDULE = "내 일정";
 
-    private final CategoryService categoryService;
-    private final SubscriptionService subscriptionService;
     private final MemberRepository memberRepository;
 
-    public MemberService(final CategoryService categoryService, final SubscriptionService subscriptionService,
-                         final MemberRepository memberRepository) {
-        this.categoryService = categoryService;
-        this.subscriptionService = subscriptionService;
+    public MemberService(final MemberRepository memberRepository) {
         this.memberRepository = memberRepository;
     }
 
     @Transactional
-    public Member save(final String email, final String displayName) {
+    public Member save(final String email, final String displayName, MemberSaveAfterEvent memberSaveAfterEvent) {
         Member newMember = memberRepository.save(new Member(email, displayName));
 
-        Category newCategory = categoryService.save(newMember.getId(), MY_SCHEDULE);
-        subscriptionService.save(newMember.getId(), newCategory.getId());
+        memberSaveAfterEvent.process(MY_SCHEDULE, newMember);
 
         return newMember;
     }

circular-reference/src/main/java/io/github/hyeonic/circularreference/presentation/MemberController.java

@@ -0,0 +1,29 @@
+package io.github.hyeonic.circularreference.presentation;
+
+import io.github.hyeonic.circularreference.event.MemberSaveAfterEvent;
+import io.github.hyeonic.circularreference.member.Member;
+import io.github.hyeonic.circularreference.member.MemberService;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+@RequestMapping("/api/members")
+public class MemberController {
+
+    private final MemberService memberService;
+    private final MemberSaveAfterEvent memberSaveAfterEvent;
+
+    public MemberController(final MemberService memberService, final MemberSaveAfterEvent memberSaveAfterEvent) {
+        this.memberService = memberService;
+        this.memberSaveAfterEvent = memberSaveAfterEvent;
+    }
+
+    @PostMapping
+    public ResponseEntity<Member> save(@RequestParam String email, @RequestParam String displayName) {
+        Member member = memberService.save(email, displayName, memberSaveAfterEvent);
+        return ResponseEntity.ok(member);
+    }
+}